Display screen or portion thereof with icon



The sole FIGURE is a front view of a display screen or portion thereof with icon, showing our new design.

The broken line illustrating the portion of the display screen forms no part of the claimed design. The broken line showing the portion of the icon illustrates a portion of the display screen or portion thereof with icon and forms no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with icon, as shown and described. 